Free tutorial books and guides - including the complete Grails 6 Simplified: Groovy on Grails, chapter by chapter.
The complete Grails 6 Simplified: Groovy on Grails book by Har Narayan Vishwakarma, published chapter by chapter - architecture, Groovy, GORM, controllers, services, GSP, REST APIs, security, testing, performance and a real-world project.
